There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 8PM to 7AM | 4AM to 12AM | 7AM to 5AM |
| 5PM to 1PM | 3AM to 2AM | 8AM to 5AM |
| 3AM to 12PM | 7PM to 6PM | 9PM to 6PM |
| 4AM to 4PM | 5PM to 11AM | 2AM to 12PM |
| 5PM to 10PM | 6AM to 9PM | 1PM to 7AM |
| 6AM to 8PM | 2PM to 8PM | 7AM to 2AM |
